Toolchain Architect: Open-Source DevTools for Linux

Kalray; Montbonnot-Saint-Martin; Remote; EUR 90,000 - 120,000; Full time

Benefits offered by this job

RSU

Paid leave RTT

Mobility incentives

Paternity leave

Team events

Job summary

Kalray in Montbonnot-Saint-Martin, France, is seeking a senior Toolchain Engineer to join the Toolchain team. You will design, integrate, and optimize the software development ecosystem for Kalray’s IPs, leveraging GCC, LLVM, and open-source tools to empower developers.

Join a fast-paced, international deep-tech environment where hardware and software intersect, collaborate with cross-functional teams, and contribute to high-quality toolchains, runtimes, and build systems enabling efficient

Qualifications

• Significant experience in software toolchains, including compilers, linkers, debuggers, runtimes, libraries, build systems, and packaging tools.
• Strong experience with Linux software development environments and systems programming in C/C++.
• Strong understanding of compiler internals, code generation, runtimes, and toolchain architectures.
• Proven experience with cross-compilation environments, embedded systems, or heterogeneous computing platforms.
• Familiarity with processor architectures and low-level software concepts.
• Excellent debugging, performance analysis, and problem-solving skills.
• Experience with CI/CD systems, automated testing, and software release processes.

Responsibilities

• Collaborate proactively with Hardware and Software teams to define, integrate, package, and maintain toolchain components that improve developer productivity and user experience
• Develop, debug, test, and optimize various toolchain components, including runtimes, libraries, debuggers, SDKs, build systems, profiling tools, and supporting infrastructure within large-scale Linux-based environments
• Integrate and maintain technologies based on open-source ecosystems such as GCC, LLVM, binutils, GDB, and related projects, ensuring seamless operation across Kalray platforms.
• Design and improve build, packaging, deployment, and CI/CD workflows that enable efficient development, validation, and delivery of software toolchains.
• Work closely with architecture, firmware, runtime, and application teams to ensure coherent integration of all software development tools and libraries.
• Review peer code and promote high engineering standards, maintainability, automation, and software quality across the project.
• Provide technical guidance on toolchain architecture, software integration, and development best practices.
• Participate in architecture discussions and help drive technical decisions related to developer tools, software infrastructure, and platform enablement.
• Contribute to open-source communities where appropriate and stay current with advancements in toolchain technologies, software development infrastructure, and developer experience.

Skills

Toolchains

C/C++

Linux development

Compiler internals

Cross-compilation

Open source

CI/CD

Education

MSc or BAC+5 in CS/CE

Tools

GCC

LLVM

binutils

GDB

CMake

Job description

Kalray in Montbonnot-Saint-Martin, France, is seeking a senior Toolchain Engineer to join the Toolchain team. You will design, integrate, and optimize the software development ecosystem for Kalray’s IPs, leveraging GCC, LLVM, and open-source tools to empower developers.

Join a fast-paced, international deep-tech environment where hardware and software intersect, collaborate with cross-functional teams, and contribute to high-quality toolchains, runtimes, and build systems enabling efficient